<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>vertical-align</title>
</head>
<style>
    img{
        vertical-align: middle;
    }
</style>
<body>
<div>
    <img src="img/img1.png"> 文字描述
</div>

</body>
</html>